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bulk-checkin: fix leaking state TODO

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When flushing a bulk-checking to disk we also reset the `struct
bulk_checkin_packfile` state. But while we free some of its members,
others aren't being free'd, leading to memory leaks:

  - The temporary packfile name is not getting freed.

  - The `struct hashfile` only gets freed in case we end up calling
    `finalize_hashfile()`. There are code paths though where that is not
    the case, namely when nothing has been written. For this, we need to
    make `free_hashfile()` public.

Fix those leaks.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-08-14 08:52:03 +02:00
committed by Junio C Hamano
parent 9ddd5f755d
commit c81dcf630c
4 changed files with 14 additions and 1 deletions
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10
csum-file.h
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@@ -46,6 +46,16 @@ int hashfile_truncate(struct hashfile *, struct hashfile_checkpoint *);
struct hashfile *hashfd(int fd, const char *name);
struct hashfile *hashfd_check(const char *name);
struct hashfile *hashfd_throughput(int fd, const char *name, struct progress *tp);
/*
* Free the hashfile without flushing its contents to disk. This only
* needs to be called when not calling `finalize_hashfile()`.
*/
void free_hashfile(struct hashfile *f);
/*
* Finalize the hashfile by flushing data to disk and free'ing it.
*/
int finalize_hashfile(struct hashfile *, unsigned char *, enum fsync_component, unsigned int);
void hashwrite(struct hashfile *, const void *, unsigned int);
void hashflush(struct hashfile *f);